docs: add README & document how to contribute extension

README.md

@@ -0,0 +1,11 @@
+# Coco AI Extensions - Customize your Coco AI
+
+<div align="center">
+
+_"The simplest and most powerful way to build and extend your own Coco."_
+
+</div>
+
+## Contributing Extensions
+
+See the [documentation](docs).

docs/README.md

@@ -0,0 +1,141 @@
+# Coco AI Extensions
+
+Coco AI Extensions is a plugin system that allows users to extend the functionality of 
+the Coco AI app. 
+
+## Extension Files Hierarchy
+
+The structure is straightforward. The top-level directory represents the extension author, 
+described by the `author.json` file. Authors can customize their profile picture, which 
+should be placed in the `assets` directory.
+
+Extensions created by the author are also placed there. Each extension resides in its own 
+sub-directory, with a structure similar to the author directory: an `assets` folder for 
+extension-specific resources and a `plugin.json` file that describes the extension.
+
+```sh
+extensions/
+└── AUTHOR_ID/
+    ├── assets/
+    ├── author.json  
+    ├── EXTENSION_1/
+    │   ├── assets/
+    │   └── plugin.json
+    │ 
+    ├── EXTENSION_2/
+    │   ├── assets/
+    │   └── plugin.json
+    │ 
+    └── ...
+```
+
+## Author Configuration (`author.json`)
+
+Every author has a metadata file that describes their information:
+
+```json
+{
+    "id": "infinilabs",
+    "name": "INFINI Labs",
+    "avatar": "avatar.png",
+    "twitter_handle": "infinilabs",
+    "github_handle": "infinilabs",
+    "location": "Global Distributed",
+    "website": "https://www.infinilabs.com",
+    "bio": "Let's make search easier and smarter."
+}
+```
+
+
+| Field | Type | Required | Description |
+|-------|------|----------|-------------|
+| `id` | string | **Yes** | Unique identifier for the author |
+| `name` | string | **Yes** | Display name of the author |
+| `avatar` | string | **Yes** | **Relative** path to the profile picture under the `assets` directory |
+| `twitter_handle` | string | No | Twitter/X username |
+| `github_handle` | string | No | GitHub username |
+| `location` | string | No | Author's location |
+| `website` | string | No | Author's website URL |
+| `bio` | string | No | Short biography or description |
+
+## Extension Configuration (`plugin.json`)
+
+Each extension is defined by a `plugin.json` file that contains all the metadata 
+and configuration needed to run the extension.
+
+### Extension JSON specification
+
+
+* `id`: Extension ID. This ID doesn't uniquely identify an extension; its bundle 
+  ID (ID & author) does.
+
+  type: string  
+
+  required: **Yes**
+
+* `title`: Extension display name
+
+  type: string  
+
+  required: **Yes**
+
+* `platforms`: Specify the OSes that this extension is compatible with. Coco AI 
+  supports 3 major OSes, macOS/Linux, and Windows. If this field is not set, then 
+  it is compatible with all the 3 OSes. Valid values: `["macos", "linux", "windows"]`
+
+  type: Array of string  
+
+  required: No
+
+* `description`: Extension description
+
+  type: string  
+
+  required: **Yes**
+
+* `icon`: Specify the extension icon, it could be 
+
+  1. Path to the icon file, could be relative (to the `assets` directory) and absolute 
+  2. A Coco AI built-in font class code  
+
+  type: string
+
+  required: **Yes**
+
+* `type`: Extension type. For third-party extension, the following types are 
+  currently supported: 
+
+  * `extension`: An extension of type `extension` behaves like a folder, i.e., a 
+    container for sub-extensions.
+
+    Currently, sub-extensions should be of type `command`, which should be set in
+    the `commands` field. 
+
+  * `command`: `command` executes a command when being executed. This action 
+    will be specified by the `action` field.
+
+  type: enum
+
+  required: **Yes**
+
+* `action`: Only for `command` extensions. This field defines the operation to 
+  execute when it is triggered.
+
+  type: Json
+
+  required: **Yes** for `command` extensions
+
+  example: 
+
+  ```json
+  {
+      "exec": "echo",
+      "args": ["Hello Coco"]
+  }
+  ```
+
+* `commands`: Only for `extension` extensions.
+
+  type: Array of extension
+
+  required: No

infinilabs/author.json → extensions/infinilabs/author.json

@@ -4,7 +4,7 @@
     "avatar": "avatar.png",
     "twitter_handle": "infinilabs",
     "github_handle": "infinilabs",
-    "location": "Beijing, China",
+    "location": "Global Distributed",
     "website": "https://www.infinilabs.com",
-    "bio": "Making search Easier and Smarter"
+    "bio": "Let's make search easier and smarter."
 }

stevelauc/spotify_controls/plugin.json → extensions/stevelauc/spotify_controls/plugin.json

@@ -27,7 +27,6 @@
       "scripts": null,
       "quicklinks": null,
       "alias": "",
-      "hotkey": "Command+P",
       "enabled": true
     },
     {